# Yr Elyrch : dathlu'r 100

> book; published in 2012

**Wikidata**: [Q67950017](https://www.wikidata.org/wiki/Q67950017)  
**Source**: https://4ort.xyz/entity/yr-elyrch-dathlu-r-100-q67950017


## References

1. National Library of Wales Catalogue
2. Open Library